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55076069 is a prime number
BaseRepresentation
bin1101001000011…
…0010011100101
310211122011011102
43102012103211
5103044413234
65244245445
71236065426
oct322062345
9124564142
1055076069
11290a8514
1216540885
13b5449b9
14745964d
154c7dc7e
hex34864e5

55076069 has 2 divisors, whose sum is σ = 55076070. Its totient is φ = 55076068.

The previous prime is 55076051. The next prime is 55076081. The reversal of 55076069 is 96067055.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46444225 + 8631844 = 6815^2 + 2938^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-55076069 is a prime.

It is a super-2 number, since 2×550760692 = 6066746752985522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55076009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27538034 + 27538035.

It is an arithmetic number, because the mean of its divisors is an integer number (27538035).

Almost surely, 255076069 is an apocalyptic number.

It is an amenable number.

55076069 is a deficient number, since it is larger than the sum of its proper divisors (1).

55076069 is an equidigital number, since it uses as much as digits as its factorization.

55076069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56700, while the sum is 38.

The square root of 55076069 is about 7421.3252859580. The cubic root of 55076069 is about 380.4704906367.

The spelling of 55076069 in words is "fifty-five million, seventy-six thousand, sixty-nine".